Chain hoist



FIG. 1 is a left-side perspective view of my chain hoist according to my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a right-side perspective view thereof.

The broken lines in the figures show portions of the chain hoist, which form no part of the claimed design. 

CLAIM The ornamental design for a chain hoist, as shown and described. 